does anyone else have their Venu 2 do a terrible job tracking work outs?

I follow CG workouts, and my Venu does a terrible job tracking what I do. Today I did Fuel Day 7, upper body complex. Timer on for 2 minutes of work, 30 seconds of rest. I did a total of 46 sets, all upper body. My watch tracked 14 sets, mostly sit-ups and long breaks. 

I am happy that I can edit the workouts, but am disappointed that there is so much discrepancy every single day!